CN206806519U - A kind of Bipolarization antenna for base station - Google Patents
A kind of Bipolarization antenna for base station Download PDFInfo
- Publication number
- CN206806519U CN206806519U CN201720066482.XU CN201720066482U CN206806519U CN 206806519 U CN206806519 U CN 206806519U CN 201720066482 U CN201720066482 U CN 201720066482U CN 206806519 U CN206806519 U CN 206806519U
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- CN
- China
- Prior art keywords
- radiating element
- power splitter
- plate
- base station
- coaxial connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of Bipolarization antenna for base station, including reflecting plate, the radiating element that is arranged on reflecting plate with power splitter, be arranged on the antenna house and coaxial connector on reflecting plate top, described coaxial connector is connected by coaxial cable with power splitter；Described radiating element includes the first radiating element and the second radiating element；Described power splitter includes the first power splitter and the second power splitter；Described radiating element difference coaxial cable is connected with power splitter；The cavity for installing radiating element and power splitter is provided with the middle part of described reflecting plate, the flanging of cavity can produce multiple diffraction, multiple diffraction superposition, can concentrate horizontal plane beam direction energy.A kind of Bipolarization antenna for base station described in the utility model, the vertical plane wave beam half-power angle degree of convergence is high, and vertical plane pair valve is very low, is easily controlled.
Description
Technical field
Antenna for base station field is the utility model is related to, especially a kind of Bipolarization antenna for base station.
Background technology
In mobile radio communication engineering design, it should according to the covering requirement of network, telephone traffic distribution, it is anti-interference requirement and
The actual conditions such as network service quality reasonably select antenna for base station.With the development of mobile communication technology, to antenna for base station
Requirement also more and more higher.Antenna for base station is typically combined into array format by identic radiating element, to obtain high increasing
Benefit.The gain of radiating element, cross polarization than, front and rear will directly influence the gain of whole antenna than performances such as, intermodulations, intersect
The indexs such as polarization ratio, front and rear ratio, intermodulation.The dual-polarization scheme of existing 1695-2690MHz frequency ranges is half-wave dipole, and two are shaken
Sub- arm is symmetrical, height quarter-wave, and reflecting plate width is usually a wavelength, upward bending, and this scheme horizontal plane is received
Degree of holding back is not high, while pair valve also more difficult control of vertical plane wave beam.This scheme horizontal plane degree of convergence is not high, while vertical plane ripple
Beam pays valve also more difficult control.
Utility model content
The technical problems to be solved in the utility model is：In order to overcome it is above-mentioned present in the horizontal plane degree of convergence it is not high, hang down
That faces wave beam directly pays valve problem more rambunctious, there is provided a kind of Bipolarization antenna for base station, the convergence of vertical plane wave beam half-power angle
Degree is high, and vertical plane pair valve is very low, is easily controlled.
Technical scheme is used by the utility model solves its technical problem：A kind of Bipolarization antenna for base station, including it is anti-
Penetrate plate, the radiating element being arranged on reflecting plate and power splitter, be arranged on the antenna house and coaxial connector on reflecting plate top,
Described coaxial connector is connected by coaxial cable with power splitter；Described radiating element includes the first radiating element and the
Two radiating elements；Described power splitter includes the first power splitter and the second power splitter；Described radiating element difference coaxial cable
It is connected with power splitter；The cavity for installing radiating element and power splitter, the folding of cavity are provided with the middle part of described reflecting plate
Side can produce multiple diffraction, multiple diffraction superposition, can concentrate horizontal plane beam direction energy.
Preferably, described reflecting plate includes middle plate, is separately positioned on the side plate of middle plate both sides, for connecting middle plate
With the connecting plate and a pair of shroudings of side plate；Described side plate is located at middle plate level face top；Described shrouding respectively with middle plate
And the edge fitting of side plate；Described cavity is to be located at middle plate top, and is surrounded and formed by side plate and shrouding.
Preferably, the copper-clad plate system of described the first radiating element and the second radiating element by polytetrafluoroethylene (PTFE) base material
Into.
Preferably, described coaxial connector includes the first coaxial connector and the second coaxial connector；Described
One coaxial connector is connected by the first coaxial cable with the first power splitter.
Preferably, the second described coaxial connector is connected by the second coaxial cable with the second power splitter.
Preferably, it is provided with least one installation screw on described middle plate.
The beneficial effects of the utility model are：A kind of Bipolarization antenna for base station, cavity is interior to have vertical plane and horizontal plane, energy
Enough realize that the working frequency range of polarization is spent in low frequency 1695-2690MHz+/- 45, there is good radiation characteristic, particularly horizontal plane half
The power perspective degree of convergence is high, and elevation radiation patytern pair valve is low, while has the passive intermodulation characteristic of polar region.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of overall structure diagram of Bipolarization antenna for base station described in the utility model；
Fig. 2 is a kind of Bipolarization antenna for base station part section structural representation described in the utility model；
Fig. 3 is a kind of internal structure schematic diagram of Bipolarization antenna for base station described in the utility model；
Fig. 4 is a kind of reflection board structure schematic diagram of Bipolarization antenna for base station described in the utility model.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment 1
A kind of Bipolarization antenna for base station as shown in Figure 1,2,3, 4, including reflecting plate 2, the radiation that is arranged on reflecting plate 2
Unit 3 and power splitter 6, the antenna house 1 and coaxial connector 9 that are arranged on the top of reflecting plate 2, described coaxial connector 9 are logical
Coaxial cable 8 is crossed to be connected with power splitter 6；Described radiating element 3 includes the first radiating element 3-1 and the second radiating element 3-
2；Described power splitter 6 includes the first power splitter 6-1 and the second power splitter 6-2；Described radiating element 3 distinguishes coaxial cable 5
It is connected with power splitter 6；The middle part of described reflecting plate 2 is provided with the cavity for installing radiating element 3 and power splitter 6, cavity
Flanging can produce multiple diffraction, multiple diffraction superposition, horizontal plane beam direction energy can be concentrated.
A kind of Bipolarization antenna for base station in the present embodiment, cavity is interior to have vertical plane and horizontal plane, can realize low frequency
The working frequency range of polarization is spent in 1695-2690MHz+/- 45, and there is good radiation characteristic, particularly horizontal plane half-power angle to receive
Degree of holding back is high, and elevation radiation patytern pair valve is low, while has the passive intermodulation characteristic of polar region；Cover GSM1800, DCS, PCS,
The frequency ranges such as WCDMA, WiFi2.4G, LTE and the communication pattern for realizing MIMO, due to very convergent horizontal plane wave beam and vertically
The characteristics of face wave beam secondary lobe is low, the application especially suitable for the region of the intensive high power capacity coverings of 4G.
Embodiment 2
A kind of Bipolarization antenna for base station as shown in Figure 1,2,3, 4, including reflecting plate 2, the radiation that is arranged on reflecting plate 2
Unit 3 and power splitter 6, the antenna house 1 and coaxial connector 9 that are arranged on the top of reflecting plate 2, described coaxial connector 9 are logical
Coaxial cable 8 is crossed to be connected with power splitter 6；Described radiating element 3 includes the first radiating element 3-1 and the second radiating element 3-
2；Described power splitter 6 includes the first power splitter 6-1 and the second power splitter 6-2；Described radiating element 3 distinguishes coaxial cable 5
It is connected with power splitter 6；The middle part of described reflecting plate 2 is provided with the cavity for installing radiating element 3 and power splitter 6, cavity
Flanging can produce multiple diffraction, multiple diffraction superposition, horizontal plane beam direction energy can be concentrated.
Described reflecting plate 2 includes middle plate 2-2, is separately positioned on the side plate 2-1 of middle plate 2-2 both sides, in connection
Plate 2-2 and side plate 2-1 connecting plate 2-3 and a pair of shrouding 2-4；Described side plate 2-1 is located at middle plate 2-2 horizontal planes top；
Edges of the described shrouding 2-4 respectively with middle plate and side plate 2-1 is bonded；Described cavity is to be located at middle plate 2-2 tops, and by
Side plate 2-1 and shrouding 2-4 surround to be formed.Wherein, reflecting plate 2 is aluminium sheet, is seamless welding between each plate, before ensureing antenna
Characteristic afterwards, while good guarantee is provided to the intermodulation performance of antenna, furthermore such that the fire resistance characteristic of antenna is ensured, welding
Form eliminate the nonlinear contact of intermodulation so that this antenna has the characteristic of low intermodulation, actual test result is less than small
In -153dBc@2*20W.The cavity at middle part plays a crucial role for the convergence of horizontal plane wave beam, and electromagnetic wave signal is from radiating element 3
The reflection by 2 several parts of reflecting plate is sent, because the path that different frequency passes through is different, in front after reflection
More consistent refraction angle is formed, so as to produce more convergent horizontal plane wave beam.
Described the first radiating element 3-1 and the second radiating element 3-2 is made up of the copper-clad plate of polytetrafluoroethylene (PTFE) base material.Spoke
Penetrate unit and be less than quarter-wave, about 1/8th wavelength using half-wave doublet, cell height so that be whole
Antenna structure has very low profile.
Described coaxial connector 9 includes the first coaxial connector 9-1 and the second coaxial connector 9-2；Described first
Coaxial connector 9-1 is connected by the first coaxial cable 8-1 with the first power splitter 6-1.The second described coaxial connector 9-2 leads to
The second coaxial cable 8-2 is crossed to be connected with the second power splitter 6-2.At least one installation screw is provided with described middle plate 2-2.
Antenna in the present embodiment, cover the frequency ranges such as GSM1800, DCS, PCS, WCDMA, WiFi2.4G, LTE and realization
MIMO communication pattern, due to very convergent horizontal plane wave beam and the characteristics of low vertical plane wave beam secondary lobe, especially suitable for
The application in the region of the intensive high power capacity coverings of 4G.
To sum up, a kind of Bipolarization antenna for base station described in the utility model, realize that pole is spent in frequency 1695-2690MHz+/- 45
The working frequency range of change, have good radiation characteristic, particularly the horizontal plane half-power angle degree of convergence high, elevation radiation patytern is paid
Valve is low, while third order intermodulation meets the requirement less than -153dBc@2*20W;The advantages such as return loss is low, while have relatively low
Profile, meets the covering of forth generation GSM and backward compatible 3G, 2G communication system, dual polarization can realize that how defeated multi input is
Go out（MIMO）, 4G-LTE is supported, because profile is very low especially suitable for small base station（Small cell）System and new one
The antenna in generation is integrated with active module embedded therein system（Active antenna AAS）Design, has the boundless market space；Antenna is small
Ingeniously, gain has very low profile in 11dBi or so, active module embedded therein can be coordinated to form small-sized base station system, for intensive city
Area, street, fixed point covering is high to the performance requirement of antenna, and vertical plane wave beam and horizontal beam require that the degree of convergence is high, pay valve requirement
It is low, and there is extremely low intermodulation characteristic.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (6)
- A kind of 1. Bipolarization antenna for base station, it is characterised in that：Including reflecting plate, the radiating element being arranged on reflecting plate and work(point Device, the antenna house and coaxial connector for being arranged on reflecting plate top, described coaxial connector pass through coaxial cable and work(point Device connects；Described radiating element includes the first radiating element and the second radiating element；Described power splitter includes the first work(point Device and the second power splitter；Described radiating element difference coaxial cable is connected with power splitter；The middle part of described reflecting plate is set There is the cavity for installing radiating element and power splitter, the flanging of cavity can produce multiple diffraction, and multiple diffraction superposition can Concentrate horizontal plane beam direction energy.
- A kind of 2. Bipolarization antenna for base station according to claim 1, it is characterised in that：Described reflecting plate include middle plate, It is separately positioned on the side plate of middle plate both sides, connecting plate and a pair of shroudings for connecting middle plate and side plate；Described side plate Positioned at middle plate level face top；Edge of the described shrouding respectively with middle plate and side plate is bonded；Described cavity is to be located at middle plate Top, and surrounded and formed by side plate and shrouding.
- A kind of 3. Bipolarization antenna for base station according to claim 1, it is characterised in that：The first described radiating element and Two radiating elements are made up of the copper-clad plate of polytetrafluoroethylene (PTFE) base material.
- A kind of 4. Bipolarization antenna for base station according to claim 1, it is characterised in that：Described coaxial connector includes the One coaxial connector and the second coaxial connector；The first described coaxial connector passes through the first coaxial cable and the first power splitter Connection.
- A kind of 5. Bipolarization antenna for base station according to claim 4, it is characterised in that：The second described coaxial connector leads to The second coaxial cable is crossed to be connected with the second power splitter.
- A kind of 6. Bipolarization antenna for base station according to claim 2, it is characterised in that：It is provided with least on described middle plate One installation screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720066482.XU CN206806519U (en) | 2017-01-20 | 2017-01-20 | A kind of Bipolarization antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720066482.XU CN206806519U (en) | 2017-01-20 | 2017-01-20 | A kind of Bipolarization antenna for base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206806519U true CN206806519U (en) | 2017-12-26 |
Family
ID=60729177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720066482.XU Expired - Fee Related CN206806519U (en) | 2017-01-20 | 2017-01-20 | A kind of Bipolarization antenna for base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206806519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462041A (en) * | 2018-10-31 | 2019-03-12 | 佛山市盛夫通信设备有限公司 | High-gain MIMO directional aerial |
-
2017
- 2017-01-20 CN CN201720066482.XU patent/CN206806519U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462041A (en) * | 2018-10-31 | 2019-03-12 | 佛山市盛夫通信设备有限公司 | High-gain MIMO directional aerial |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20190120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |